Helen Dwyer Martillo

Accountant

Location
United States
Desired Salary
Unspecified
Work preference
Full Time
Status
Actively looking
Field / Industry
Finance & Accounting
Relocation: No
Notice Period: Immediate

This user has not passed any tests yet

English -

About Me

I am a detail-oriented Accountant with extensive experience in full-cycle accounting, high-volume accounts payable and receivable, multi-state sales tax filing, and trust & estate fiduciary reporting. I have a strong analytical mindset, excelling in pattern recognition and investigative skills that ensure accurate reconciliation and error resolution. My expertise includes process mapping, workflow optimization, and cross-system reconciliation to improve accuracy, speed, and operational efficiency.

I am trusted with sensitive financial data and known for my professionalism and effective communication with clients and vendors. I consistently seek to improve accounting processes and support financial operations with precision and reliability. My technical skills include proficiency in QuickBooks Online and Desktop, Microsoft Excel, Google Workspace, and various accounting and merchant processing platforms.

Throughout my career, I have managed high-volume invoicing, billing cycles, cash application, and multi-state sales tax filings. I have experience preparing fiduciary reports compliant with court standards and handling complex trust and estate accounting. I am adept at root cause analysis, error resolution, and maintaining internal controls to safeguard financial data.

I have worked collaboratively with cross-functional teams and external partners to ensure smooth accounting operations and compliance. I am committed to delivering excellent customer service and maintaining strong client and vendor relationships. My background also includes training development and documentation to standardize accounting procedures.

Currently, I am pursuing further education in Accounting, Economics, and Business Administration to enhance my knowledge and skills. I am eager to contribute my expertise and continue growing as a finance professional in a dynamic environment.

Skills

Customer ServiceTime ManagementGoogle WorkspaceBillingBank Reconciliation

Education

West Los Angeles College
Dec 2025

Accounting, Economics, Business Administration (In Progress)

Harvard-Westlake School
2009 - 2013

High School Diploma

Ohio Wesleyan University
2013 - 2015

Bachelor's in Genetics (Incomplete)

Incomplete due to unforeseen circumstances

Experience

Accountant @ The Sheridan Group
Jul 2021 - Present

Managed high-volume invoicing, billing cycles, and cash application. Issued client statements and executed collection strategies reducing delinquency. Identified billing and posting discrepancies through analytical review. Partnered with external AP processing service, handled check runs and NACHA uploads, shared credit card payment responsibilities. Filed multi-state sales tax returns ensuring compliance. Maintained client and vendor profiles, supported reconciliations and account adjustments. Provided full-spectrum accounting support during staff reduction. Performed root cause analysis and implemented AR, AP, and operational process improvements.

Bookkeeper & Trust/Estate Accounting Specialist @ Renova Consulting Group
Nov 2017 - Oct 2020

Advanced from clerical assistant to managing multiple small-business bookkeeping clients. Maintained and customized QuickBooks profiles. Entered payroll journal entries using ADP reports. Completed CA sales tax filings and reconciliations. Self-taught fiduciary accounting for high-value trusts and estates. Produced fiduciary reports meeting court standards. Developed training guides for trust and estate accounting. Reconciled complex financial statements and investigated discrepancies. Built strong client rapport enhancing communication and workflow.

To-Go Specialist @ Olive Garden
Jan 2017 - Jan 2018

Managed high-volume takeout operations, handled cash transactions and register closing. Delivered exceptional guest service and frequently ran register during multi-staff shifts.

Host @ Chili’s Grill & Bar
Aug 2016 - Jan 2017

Managed guest flow and seating assignments, maintained front-of-house organization, supported servers and bussers during peak periods.

Independent Study Researcher @ Ohio Wesleyan University
Sep 2013 - May 2015

Conducted genetic research involving DNA amplification, molecular cloning, electrophoresis, and phylogenetic analysis. Maintained laboratory documentation and contributed to experimental design and data interpretation.

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